[Histonet] normal solutions question

[JCarpenter764 <@t> aol.com]

Thank You guys for all the responses i have received...but im still STUCK  i 
don't understand how to come up with the positive valence, or number of 
dissociable or replaceable hydrogen ions.....this is the number that i divide the 
molar weight with to get the normal weight....every problem i have worked out i 
seem to be dividing by 2 and that doesn't make since to me.